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  • 1 Department of Chemistry, Faculty of Science, Shahid Beheshti University, 1983963113, Tehran, Iran
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Abstract

Pt catalysts supported on Al-HMS materials having different Si/Al ratio were prepared and characterized by XRF, N2 adsorption–desorption isotherms, NH3-TPD and pyridine-adsorbed FTIR techniques. The catalytic performance of samples was investigated for the hydroisomerizaton of n-heptane in the temperature range of 250–400 °C and compared as a function of Al content. The catalytic evaluation revealed that Pt/Al-HMS catalysts had a high activity and unique selectivity to multibranched (MuB) isoheptanes. The molar ratio of MuB to monobranched isoheptanes (R) in the isomerization products varies within a very narrow range between 0.7 and 1.1, which is several times greater than those reported in the literature under similar reaction conditions using zeolite-supported catalysts. The formation of the MuB isoheptanes had a close correlation with the mesopore diameters of the catalysts.

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  • Impact Factor (2019): 1.520
  • Scimago Journal Rank (2019): 0.345
  • SJR Hirsch-Index (2019): 39
  • SJR Quartile Score (2019): Q3 Physical and Theoretical Chemistry
  • SJR Quartile Score (2019): Q4 Catalysis
  • Impact Factor (2018): 1.142
  • Scimago Journal Rank (2018): 0.374
  • SJR Hirsch-Index (2018): 37
  • SJR Quartile Score (2018): Q3 Physical and Theoretical Chemistry
  • SJR Quartile Score (2018): Q3 Catalysis

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Reaction Kinetics, Mechanisms and Catalysis
Language English
Size B5
Year of
Foundation
1974
Volumes
per Year
3
Issues
per Year
6
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1878-5190 (Print)
ISSN 1878-5204 (Online)